<template>
    <div class="app-container">
        <el-form :model="queryParams" ref="queryRef" :inline="true" v-show="showSearch" label-width="68px">
            <el-form-item label="分类名称" prop="name">
                <el-input
                        v-model="queryParams.name"
                        placeholder="请输入分类名称"
                        clearable
                        @keyup.enter="handleQuery"
                />
            </el-form-item>
            <el-form-item label="状态" prop="status">
                <el-select v-model="queryParams.status" placeholder="请选择状态" clearable>
                    <el-option
                            v-for="dict in common_status"
                            :key="dict.value"
                            :label="dict.label"
                            :value="dict.value"
                    />
                </el-select>
            </el-form-item>
            <el-form-item>
                <el-button type="primary" icon="Search" @click="handleQuery">搜索</el-button>
                <el-button icon="Refresh" @click="resetQuery">重置</el-button>
            </el-form-item>
        </el-form>

        <el-row :gutter="10" class="mb8">
            <el-col :span="1.5">
                <el-button
                        type="primary"
                        plain
                        icon="Plus"
                        @click="handleAdd"
                        v-hasPermi="['system:category:add']"
                >新增</el-button>
            </el-col>
            <el-col :span="1.5">
                <el-button
                        type="info"
                        plain
                        icon="Sort"
                        @click="toggleExpandAll"
                >展开/折叠</el-button>
            </el-col>
            <right-toolbar v-model:showSearch="showSearch" @queryTable="getList"></right-toolbar>
        </el-row>

        <el-table
                v-if="refreshTable"
                v-loading="loading"
                :data="categoryList"
                row-key="id"
                :default-expand-all="isExpandAll"
                :tree-props="{children: 'children', hasChildren: 'hasChildren'}"
        >
            <el-table-column label="分类名称" align="center" prop="name" />
            <el-table-column label="状态" align="center" prop="status">
                <template #default="scope">
                    <dict-tag :options="common_status" :value="scope.row.status"/>
                </template>
            </el-table-column>
            <el-table-column label="备注" align="center" prop="remark" show-overflow-tooltip />
            <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
                <template #default="scope">
                    <el-button link type="primary" icon="Edit" @click="handleUpdate(scope.row)" v-hasPermi="['system:category:edit']">修改</el-button>
                    <el-button link type="primary" icon="Plus" @click="handleAdd(scope.row)" v-hasPermi="['system:category:add']">新增</el-button>
                    <el-button link type="primary" icon="Delete" @click="handleDelete(scope.row)" v-hasPermi="['system:category:remove']">删除</el-button>
                </template>
            </el-table-column>
        </el-table>

        <!-- 添加或修改流程分类对话框 -->
        <el-dialog :title="title" v-model="open" width="500px" append-to-body>
            <el-form ref="categoryRef" :model="form" :rules="rules" label-width="80px">
                <el-form-item label="上级分类" prop="parentId">
                    <el-tree-select
                            v-model="form.parentId"
                            :data="categoryOptions"
                            :props="{ value: 'id', label: 'name', children: 'children' }"
                            value-key="id"
                            placeholder="请选择上级分类"
                            check-strictly
                    />
                </el-form-item>
                <el-form-item label="分类名称" prop="name">
                    <el-input v-model="form.name" placeholder="请输入分类名称" />
                </el-form-item>
                <el-form-item label="状态" prop="status">
                    <el-radio-group v-model="form.status">
                        <el-radio
                                v-for="dict in common_status"
                                :key="dict.value"
                                :label="parseInt(dict.value)"
                        >{{dict.label}}</el-radio>
                    </el-radio-group>
                </el-form-item>
                <el-form-item label="备注" prop="remark">
                    <el-input v-model="form.remark" placeholder="请输入备注" />
                </el-form-item>
            </el-form>
            <template #footer>
                <div class="dialog-footer">
                    <el-button type="primary" @click="submitForm">确 定</el-button>
                    <el-button @click="cancel">取 消</el-button>
                </div>
            </template>
        </el-dialog>
    </div>
</template>

<script setup name="Category">
import { listCategory, getCategory, delCategory, addCategory, updateCategory } from "@/api/flowable/category";

const { proxy } = getCurrentInstance();
const { common_status } = proxy.useDict('common_status');

const categoryList = ref([]);
const categoryOptions = ref([]);
const open = ref(false);
const loading = ref(true);
const showSearch = ref(true);
const title = ref("");
const isExpandAll = ref(true);
const refreshTable = ref(true);

const data = reactive({
    form: {},
    queryParams: {
        name: null,
        status: null,
    },
    rules: {
        name: [
            { required: true, message: "分类名称不能为空", trigger: "blur" }
        ],
        status: [
            { required: true, message: "状态不能为空", trigger: "change" }
        ],
    }
});

const { queryParams, form, rules } = toRefs(data);

/** 查询流程分类列表 */
function getList() {
    loading.value = true;
    listCategory(queryParams.value).then(response => {
        categoryList.value = proxy.handleTree(response.data, "id", "parentId");
        loading.value = false;
    });
}

/** 查询流程分类下拉树结构 */
function getTreeselect() {
    listCategory().then(response => {
        categoryOptions.value = [];
        const data = { id: 0, name: '顶级节点', children: [] };
        data.children = proxy.handleTree(response.data, "id", "parentId");
        categoryOptions.value.push(data);
    });
}

// 取消按钮
function cancel() {
    open.value = false;
    reset();
}

// 表单重置
function reset() {
    form.value = {
        id: null,
        parentId: null,
        name: null,
        status: null,
        remark: null,
        createTime: null,
        updateTime: null,
        createBy: null,
        updateBy: null
    };
    proxy.resetForm("categoryRef");
}

/** 搜索按钮操作 */
function handleQuery() {
    getList();
}

/** 重置按钮操作 */
function resetQuery() {
    proxy.resetForm("queryRef");
    handleQuery();
}

/** 新增按钮操作 */
function handleAdd(row) {
    reset();
    getTreeselect();
    if (row != null && row.id) {
        form.value.parentId = row.id;
    } else {
        form.value.parentId = 0;
    }
    open.value = true;
    title.value = "添加流程分类";
}

/** 展开/折叠操作 */
function toggleExpandAll() {
    refreshTable.value = false;
    isExpandAll.value = !isExpandAll.value;
    nextTick(() => {
        refreshTable.value = true;
    });
}

/** 修改按钮操作 */
async function handleUpdate(row) {
    reset();
    await getTreeselect();
    if (row != null) {
        form.value.parentId = row.id;
    }
    getCategory(row.id).then(response => {
        form.value = response.data;
        open.value = true;
        title.value = "修改流程分类";
    });
}

/** 提交按钮 */
function submitForm() {
    proxy.$refs["categoryRef"].validate(valid => {
        if (valid) {
            if (form.value.id != null) {
                updateCategory(form.value).then(response => {
                    proxy.$modal.msgSuccess("修改成功");
                    open.value = false;
                    getList();
                });
            } else {
                addCategory(form.value).then(response => {
                    proxy.$modal.msgSuccess("新增成功");
                    open.value = false;
                    getList();
                });
            }
        }
    });
}

/** 删除按钮操作 */
function handleDelete(row) {
    proxy.$modal.confirm('是否确认删除流程分类编号为"' + row.id + '"的数据项？').then(function() {
        return delCategory(row.id);
    }).then(() => {
        getList();
        proxy.$modal.msgSuccess("删除成功");
    }).catch(() => {});
}

getList();
</script>
